| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 7 |
3.3%
|
| 0 | 16 |
7.5%
|
|
| 1 | 5 |
2.3%
|
|
| 2 | 1 |
0.5%
|
|
| 3 | 1 |
0.5%
|
|
| 4 | 1 |
0.5%
|
|
| 5 | 1 |
0.5%
|
|
| 8 | 1 |
0.5%
|
|
| 10 | 4 |
1.9%
|
|
| 15 | 1 |
0.5%
|
|
| 20 | 9 |
4.2%
|
|
| 30 | 1 |
0.5%
|
|
| 35 | 1 |
0.5%
|
|
| 40 | 1 |
0.5%
|
|
| 50 | 12 |
5.6%
|
|
| 75 | 1 |
0.5%
|
|
| 77 | 1 |
0.5%
|
|
| 80 | 2 |
0.9%
|
|
| 85 | 2 |
0.9%
|
|
| 87 | 1 |
0.5%
|
|
| 88 | 1 |
0.5%
|
|
| 90 | 4 |
1.9%
|
|
| 95 | 4 |
1.9%
|
|
| 97 | 2 |
0.9%
|
|
| 98 | 3 |
1.4%
|
|
| 99 | 1 |
0.5%
|
|
| 100 | 129 |
60.6%
|
|
| Sysmiss | 145 |